• Search History (Register)
  • MeSH Browser
  • [Clear]
    • Afrikaans
      Albanian
      Arabic
      Armenian
      Basque
      Bengali
      Bulgarian
      Catalan
      Cambodian
      Chinese (Mandarin)
      Chinese (Cantonese)
      Croatian
      Czech
      Danish
      Dutch
      English
      Estonian
      Fiji
      Finnish
      French
      Georgian
      German
      Greek
      Gujarati
      Hebrew
      Hindi
      Hungarian
      Icelandic
      Indonesian
      Irish
      Italian
      Japanese
      Javanese
      Korean
      Latin
      Latvian
      Lithuanian
      Macedonian
      Malay
      Malayalam
      Maltese
      Maori
      Marathi
      Mongolian
      Nepali
      Norwegian
      Persian
      Polish
      Portuguese
      Punjabi
      Quechua
      Romanian
      Russian
      Samoan
      Serbian
      Slovak
      Slovenian
      Spanish
      Swahili
      Swedish
      Tamil
      Tatar
      Telugu
      Thai
      Tibetan
      Tonga
      Turkish
      Ukrainian
      Urdu
      Uzbek
      Vietnamese
      Welsh
      Xhosa
      Apply
    • Adelaide Health Technology Assessment
      Agence d'évaluation des technologies et des modes d'intervention en santé
      Agencia de Evaluacion de Tecnologias Sanitarias
      Agència de Qualitat i Avaluació Sanitàries de Catalunya (AQuAS)
      Agencia de Qualitat i Avaluacio Sanitries de Catalunya
      Agency for Care Effectiveness (ACE)
      Agency for Health Technology Assessment and Tariff System
      Agency for Healthcare Research and Quality
      Agenzia Sanitaria e Sociale Regionale (Regional Agency for Health and Social Care)
      All Wales Medicines Strategy Group
      Andalusian Health Technology Assessment Area
      Australian Health Technology Advisory Committee
      Australian Safety and Efficacy Register of New Interventional Procedures-Surgical
      Austrian Institute for Health Technology Assessment
      Basque Office for Health Technology Assessment
      Belgian Health Care Knowledge Centre
      BlueCross BlueShield Association
      British Columbia Office of Health Technology Assessment
      Canadian Agency for Drugs and Technologies in Health
      Canadian Coordinating Office for Health Technology Assessment
      Canadian Task Force on Preventive Health Care
      Canary Health Service
      Cellule Innovation of the AP-HP
      Center for Drug Evaluation
      Center for Medical Technology Assessment
      Center for Outcomes Research and Economic Evaluation for Health
      Centre for Clinical Effectiveness
      Centre for Reviews and Dissemination
      Centre for Technology Assessment at the Swiss Science and Technology Council
      Centre Hospitalier de l'Universite de Montreal
      Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale
      Committee for New Health Technology Assessment
      Conseil d'Evaluation des Technologies de la Santé du Québec
      Coordenação-Geral de Fomento à Pesquisa e Avaliação de Tecnologias em Saúde, Departamento de Ciência e Tecnologia
      Danish Centre for Evaluation and Health Technology Assessment
      Danish Institute for Health Services Research
      ECRI Institute
      European Network for Health Technology Assessment
      Finnish Coordinating Center for Health Technology Assessment
      Finnish Coordinating Center for Health Technology Assessment
      Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Università Cattolica del Sacro Cuore
      German Agency for HTA at the German Institute for Medical Documentation and Information
      Gesundheit Osterreich GmbH
      Hannover Medical School, Medizinische Hochschule Hannover
      Haute Autorité de Santé
      HAYES, Inc.
      Health Council of the Netherlands Gezondheidsraad
      Health Information and Quality Authority (HIQA)
      Health Intervention and Technology Assessment Program
      Health Quality Ontario
      Health Sciences Institute in Aragon (IACS)
      Health Services Assessment Collaboration
      Health Services Utilization and Research Commission
      Health Technology Advisory Committee
      Health Technology and Policy Unit
      Health Technology Assessment Section, Ministry of Health Malaysia
      Health Technology Board for Scotland
      Health Technology Reference Group
      Health Technology Wales
      HTA Region Stockholm
      HTA South
      HTA Unit, University of Calgary
      Institut national d'excellence en sante et en services sociaux
      Institut universitaire de cardiologie et de pneumologie de Québec – Université Laval (IUCPQ-ULaval)
      Institute for Clinical and Economic Review
      Institute for Clinical Effectiveness and Health Policy
      Institute for Clinical Evaluative Sciences
      Institute for Clinical Systems Improvement
      Institute for Quality and Efficiency in Health Care (IQWiG)
      Institute of Applied Health Sciences
      Institute of Health Economics
      Institute of Health Economics
      Institute of Health Technology Assessment and Research (IETSI)
      Institute of Technology Assessment
      Israel Center for Technology Assessment in Health Care
      L'Agence Nationale d'Accreditation d'Evaluation en Santé
      Ludwig Boltzmann Institute for Health Technology Assessment
      Malaysian Health Technology Assessment
      Malaysian Health Technology Assessment Unit
      Medical Advisory Secretariat
      Medical Services Advisory Committee
      Monash Business School, Monash University (MBS)
      National Authority for Assessment and Accreditation in Healthcare (INEAS)
      National Committee for Technology Incorporation (CONITEC)
      National Evidence-based healthcare Collaborating Agency
      National Institute for Clinical Excellence
      National Institute for Health and Care Excellence
      New Zealand Health Technology Assessment
      New Zealand National Health Committee
      NIHR Health and Social Care Delivery Program
      NIHR Health Services and Delivery Research programme
      NIHR Health Technology Assessment programme
      NIHR Horizon Scanning Centre
      NIHR Public Health Research programme
      Norwegian Institute of Public Health
      Norwegian Institute of Public Health
      Norwegian Medical Products Agency
      Ontario Health
      Penn Medicine Center for Evidence-based Practice
      Quality Improvement Scotland
      Scientific Advice Unit, avalia-t; The Galician Health Knowledge Agency (ACIS)
      Scottish Health Purchasing Information Centre
      Scottish Health Technologies Group
      Scottish Medicines Consortium (SMC)
      State Health Care Accreditation Agency under the Ministry of Health of the Republic of Lithuania
      Swedish Agency for Health Technology Assessment and Assessment of Social Services
      Swedish Agency for Health Technology Assessment and Assessment of Social Services
      Swiss Federal Office of Public Health (FOPH)
      Technology Assessment at SickKids
      Technology Assessment Unit of the McGill University Health Centre (MUHC)
      The Danish Health Technology Council
      The Federal Joint Committee
      The HTA Center of the Stockholm County Council/Gotland
      The Italian National Agency for Regional Health Services (Agenas)
      The National Health Care Institute (ZIN, Zorginstituut Nederland)
      The National Health Care Institute (Zorginstituut Nederland)
      The Netherlands Organisation for Health Research and Development
      The Regional Health Technology Assessment Centre
      TNO
      U. S. Congress. Office of Technology Assessment
      Unidad de Evaluacion de Tecnologias Sanitarias
      Unidad de Tecnologias de Salud
      Unit of Health Economics and Technology Assessment in Health Care
      University HealthSystem Consortium
      University of York
      VA Technology Assessment Program
      Washington Singer Press
      Washington State Department of Labor and Industries (WSDLI)
      Wessex Institute for Health Research and Development
      West Midlands Health Technology Assessment Collaboration
      WorkSafeBC
      Apply
    • Canada
    • Afghanistan
      Albania
      Algeria
      Andorra
      Antigua and Barbuda
      Argentina
      Armenia
      Australia
      Austria
      Azerbaijan
      Bahamas
      Bahrain
      Bangladesh
      Barbados
      Belarus
      Belgium
      Belize
      Benin
      Bhutan
      Bolivia
      Bosnia and Herzegovina
      Botswana
      Brazil
      Brunei
      Bulgaria
      Burkina Faso
      Burundi
      Cambodia
      Cameroon
      Canada
      Cape Verde
      Central African Republic
      Chad
      Chile
      China
      Colombia
      Comoros
      Congo
      Costa Rica
      Cote dIvoire
      Croatia
      Cuba
      Cyprus
      Czech Republic
      Denmark
      Djibouti
      Dominica
      Dominican Republic
      East Timor
      Ecuador
      Egypt
      El Salvador
      Equatorial Guinea
      Eritrea
      Estonia
      Ethiopia
      Fiji
      Finland
      France
      Gabon
      Gambia
      Georgia
      Germany
      Ghana
      Greece
      Grenada
      Guatemala
      Guinea
      Guinea-Bissau
      Guyana
      Haiti
      Honduras
      Hong Kong
      Hungary
      Iceland
      India
      Indonesia
      Iran
      Iraq
      Ireland
      Israel
      Italy
      Jamaica
      Japan
      Jordan
      Kazakhstan
      Kenya
      Kiribati
      North Korea
      South Korea
      Kuwait
      Kyrgyzstan
      Laos
      Latvia
      Lebanon
      Lesotho
      Liberia
      Libya
      Liechtenstein
      Lithuania
      Luxembourg
      Macedonia
      Madagascar
      Malawi
      Malaysia
      Maldives
      Mali
      Malta
      Marshall Islands
      Mauritania
      Mauritius
      Mexico
      Micronesia
      Moldova
      Monaco
      Mongolia
      Montenegro
      Morocco
      Mozambique
      Myanmar
      Namibia
      Nauru
      Nepal
      Netherlands
      New Zealand
      Nicaragua
      Niger
      Nigeria
      Norway
      Oman
      Pakistan
      Palau
      Panama
      Papua New Guinea
      Paraguay
      Peru
      Philippines
      Poland
      Portugal
      Puerto Rico
      Qatar
      Romania
      Russia
      Rwanda
      Saint Kitts and Nevis
      Saint Lucia
      Saint Vincent and the Grenadines
      Samoa
      San Marino
      Sao Tome and Principe
      Saudi Arabia
      Senegal
      Serbia and Montenegro
      Seychelles
      Sierra Leone
      Singapore
      Slovakia
      Slovenia
      Solomon Islands
      Somalia
      South Africa
      Spain
      Sri Lanka
      Sudan
      Suriname
      Swaziland
      Sweden
      Switzerland
      Syria
      Taiwan
      Tajikistan
      Tanzania
      Thailand
      Togo
      Tonga
      Trinidad and Tobago
      Tunisia
      Turkey
      Turkmenistan
      Tuvalu
      Uganda
      Ukraine
      United Arab Emirates
      United Kingdom
      United States
      Uruguay
      Uzbekistan
      Vanuatu
      Vatican City
      Venezuela
      Vietnam
      Yemen
      Zambia
      Zimbabwe
      Apply

Welcome to the international HTA database

CSV RIS
Showing [3321 Records] Selected Records [0 Hits] [Clear]
Year Source Title
2016     Canadian Agency for Drugs and Technologies in Health (CADTH) Anti-vascular endothelial growth factor drugs for the treatment of retinal conditions
2016     Institut national d'excellence en sante et en services sociaux (INESSS) [Levels of care: norms and quality standards]
2016     Institut national d'excellence en sante et en services sociaux (INESSS) [Localized prostate cancer: effectiveness and safety of treatment options]
2016     Institut national d'excellence en sante et en services sociaux (INESSS) [Use of the Oncotype DX® test for therapeutic decision-making in the context of treating invasive breast cancer]
2016     Institut national d'excellence en sante et en services sociaux (INESSS) [Tonsil surgery: comparison of intracapsular dissections and extracapsular dissections and dentification of children at risk for hemorrhage]
2016     Health Quality Ontario (HQO) Levonorgestrel-releasing intrauterine sSystem (52 mg) for idiopathic heavy menstrual bleeding: a health technology assessment
2016     Health Quality Ontario (HQO) Transcatheter aortic valve implantation for treatment of aortic valve stenosis: a health technology assessment
2016     Health Quality Ontario (HQO) Magnetic resonance imaging as an adjunct to mammography for breast cancer screening in women at less than high risk for breast cancer: a health technology assessment
2016     Health Quality Ontario (HQO) Magnetic resonance imaging as an adjunct to mammography for breast cancer screening in women at less than high risk for breast cancer: OHTAC recommendation
2016     Health Quality Ontario (HQO) Levonorgestrel-releasing intrauterine system (52 mg) for idiopathic heavy menstrual bleeding: OHTAC Recommendation
2016     Health Quality Ontario (HQO) Transcatheter aortic valve implantation for treatment of aortic valve stenosis: OHTAC recommendation
2016     Institut national d'excellence en sante et en services sociaux (INESSS) [Models for providing care and services to patients who have concurrent mental health and substance use disorders]
2015     Institute for Clinical Evaluative Sciences (ICES) The mental health of children and youth in Ontario: a baseline scorecard
2015     Institute for Clinical Evaluative Sciences (ICES) Atlas of childhood cancer in Ontario 1985-2004
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Holkira (ombitasvir/paritaprevir/ ritonavir with dasabuvir) and Harvoni (ledipasvir/sofosbuvir) for chronic hepatitis C: a review of the clinical evidence
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Vitamin D testing in the general population: a review of the clinical and cost-effectiveness and guidelines
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Telehealth services for the treatment of psychiatric issues: clinical effectiveness, safety, and guidelines
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Electroconvulsive therapy performed outside of surgical suites: a review of the clinical effectiveness, safety, and guidelines
2015     Technology Assessment at SickKids (TASK) Thiopurine S-methyltransferase testing for averting drug toxicity in patients receiving thiopurines: A systematic review and quality appraisal
2015     Technology Assessment at SickKids (TASK) Thiopurine S-methyltransferase testing for averting drug toxicity in patients receiving thiopurines: A meta-analysis of diagnostic test accuracy
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Immediate osseointegrated implants for cancer patients: a review of clinical and cost-effectiveness
2015     Health Quality Ontario (HQO) Positional Magnetic Resonance Imaging for people with Ehlers-Danlos Syndrome or suspected craniovertebral or cervical spine abnormalities: an evidence-based analysis
2015     Health Quality Ontario (HQO) Positional magnetic resonance imaging for people with Ehlers-Danlos syndrome or suspected craniovertebral or cervical spine abnormalities: OHTAC recommendation
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Transoral robotic surgery: a review of clinical and cost-effectiveness
2015     Institute of Health Economics (IHE) Rheumatoid arthritis in a policy perspective: a registry for research and better treatment of Albertans
2015     Institute of Health Economics (IHE) Optimizing adoption and diffusion of medical devices at the system level
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Protein testing in patients with multiple myeloma: a review of clinical effectiveness and guidelines
2015     Canadian Agency for Drugs and Technologies in Health (CADTH) Stool antigen tests for helicobacter pylori infection: a review of clinical and cost-effectiveness and guidelines
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Efficacy of intraoperative radiation therapy]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Assisted reproduction]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Development framework for social services practice guidelines]
2015     Health Quality Ontario (HQO) Paclitaxel drug-eluting stents in peripheral arterial disease: OHTAC recommendation
2015     Institute for Clinical Evaluative Sciences (ICES) Brain disorders in Ontario: prevalence, incidence and costs from health administrative data
2015     Health Quality Ontario (HQO) Paclitaxel drug-eluting stents in peripheral arterial disease: a health technology assessment
2015     Technology Assessment at SickKids (TASK) Systematic review of the cost-effectiveness of influenza immunization programs: a Canadian perspective
2015     Health Quality Ontario (HQO) Pancreas islet transplantation for patients with type 1 diabetes mellitus: a clinical evidence review
2015     Health Quality Ontario (HQO) Pancreas islet transplantation for patients with type 1 diabetes mellitus: OHTAC recommendation
2015     Health Quality Ontario (HQO) Patient perspectives on quality of life with controlled type 1 diabetes mellitus: a systematic review and qualitative meta-synthesis
2015     Health Quality Ontario (HQO) Transient elastography for assessment of liver fibrosis and steatosis: an evidence-based analysis
2015     Health Quality Ontario (HQO) Transient elastography for assessment of liver fibrosis and steatosis: OHTAC recommendation
2015     Health Quality Ontario (HQO) Transient elastography and controlled attenuation parameter for diagnosing liver fibrosis and steatosis in Ontario: an economic analysis
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Gene sequencing of tumours: clinical validity and utility of molecular profiles obtained by next-generation sequencing (NGS) technologies]
2015     Health Quality Ontario (HQO) Prostate-Specific Antigen (PSA)–based population screening for prostate cancer: an evidence-based analysis
2015     Health Quality Ontario (HQO) Harms of Prostate-Specific Antigen (PSA) screening in prostate cancer: a rapid review
2015     Health Quality Ontario (HQO) Prostate-Specific Antigen (PSA)–based population screening for prostate cancer: an economic analysis
2015     Health Quality Ontario (HQO) Capsule endoscopy in the assessment of obscure gastrointestinal bleeding: an evidence-based analysis
2015     Health Quality Ontario (HQO) Capsule Endoscopy in the Assessment of Obscure Gastrointestinal Bleeding: An Economic Analysis
2015     Health Quality Ontario (HQO) Is Transient Ischemic Attack a Medical Emergency? An Evidence-Based Analysis
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Detection and diagnosis of Alzheimer's disease and other neurocognitive disorders]
2015     Health Quality Ontario (HQO) Magnetic Resonance–Guided High-Intensity Focused Ultrasound (MRgHIFU) Treatment of Symptomatic Uterine Fibroids: An Evidence-Based Analysis
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Bendamustine for the treatment of follicular lymphoma]
2015     Health Quality Ontario (HQO) Magnetic Resonance-Guided High-Intensity Focused Ultrasound (MRgHIFU) for Treatment of Symptomatic Uterine Fibroids: An Economic Analysis
2015     Health Quality Ontario (HQO) Effect of Increased Intensity of Physiotherapy on Patient Outcomes After Stroke: An Evidence-Based Analysis
2015     Health Quality Ontario (HQO) Effect of Increased Intensity of Physiotherapy on Patient Outcomes After Stroke: An Economic Literature Review and Cost-Effectiveness Analysis
2015     Health Quality Ontario (HQO) Pulmonary Rehabilitation in Ontario: A Cross-Sectional Survey
2015     Health Quality Ontario (HQO) Caesarean Delivery Rate Review: An Evidence-Based Analysis
2015     Health Quality Ontario (HQO) Caesarean Delivery Rate Review: OHTAC Recommendation
2015     Health Quality Ontario (HQO) Colon capsule endoscopy for the detection of colorectal polyps: OHTAC Recommendation
2015     Health Quality Ontario (HQO) Pulmonary Rehabilitation in Ontario: OHTAC Recommendation
2015     Health Quality Ontario (HQO) Colon capsule endoscopy for the detection of colorectal polyps: an economic analysis
2015     Health Quality Ontario (HQO) Magnetic Resonance–Guided High-Intensity Focused Ultrasound (MRgHIFU) for Treatment of Symptomatic Uterine Fibroids: OHTAC Recommendation
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Optimal use guidelines for the pharmacological treatment of Alzheimer's disease and mixed dementia]
2015     Health Quality Ontario (HQO) Is Transient Ischemic Attack a Medical Emergency? OHTAC Recommendation
2015     Institut national d'excellence en sante et en services sociaux (INESSS) Clinical safety of antiseptic soaps containing triclosan for handwashing in hospital settings
2015     Health Quality Ontario (HQO) Capsule Endoscopy in the Assessment of Obscure Gastrointestinal Bleeding: OHTAC Recommendation
2015     Health Quality Ontario (HQO) Cost-effectiveness of urgent care for transient ischemic attack: an economic rapid review
2015     Health Quality Ontario (HQO) Cognitive-behavioural therapy for anxiety and depression in patients with chronic obstructive pulmonary disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Airway clearance techniques for patients with stable chronic obstructive pulmonary disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Exercise programs after pulmonary rehabilitation for patients with chronic obstructive pulmonary disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Prophylactic antibiotics for individuals with Chronic Obstructive Pulmonary Disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Pulmonary rehabilitation setting for adults with chronic obstructive pulmonary disease (COPD): an economic rapid review
2015     Health Quality Ontario (HQO) Respiratory therapy services in home care for individuals with chronic obstructive pulmonary disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Care coordination for postacute stroke, chronic obstructive pulmonary disease, and heart failure clients: an economic rapid review
2015     Health Quality Ontario (HQO) Home-based versus centre-based rehabilitation for community-dwelling postacute stroke patients: an economic rapid review
2015     Health Quality Ontario (HQO) Cardiovascular and aerobic exercise in postacute stroke patients: a rapid review
2015     Health Quality Ontario (HQO) Pulmonary rehabilitation in the home versus other settings for individuals with chronic obstructive pulmonary disease (COPD): a rapid review
2015     Health Quality Ontario (HQO) Care coordination on postacute stroke, chronic obstructive pulmonary disease, and heart failure clients: a rapid review
2015     Health Quality Ontario (HQO) Home-based versus centre-based rehabilitation for community- dwelling postacute stroke patients: a rapid review
2015     Health Quality Ontario (HQO) Self-management and educational interventions in the postacute stroke population: a rapid review
2015     Health Quality Ontario (HQO) Effect of a 60-minute door-to-needle tissue plasminogen activator on stroke disability: a rapid review
2015     Health Quality Ontario (HQO) Communication of discharge instructions: a rapid review
2015     Health Quality Ontario (HQO) Criteria for referral to home care: a rapid review
2015     Health Quality Ontario (HQO) Criteria for referral to heart failure clinics: a rapid review
2015     Technology Assessment Unit of the McGill University Health Centre (MUHC) Single-dose intraoperative radiotherapy using Intrabeam® for early-stage breast cancer: an update
2015     Health Quality Ontario (HQO) Vasodilators for inhospital heart failure management: a rapid review (update)
2015     Health Quality Ontario (HQO) Sodium restriction in heart failure: a rapid review
2015     Health Quality Ontario (HQO) Aerobic exercise training in patients with heart failure: a rapid review
2015     Health Quality Ontario (HQO) Home-based exercise programs in heart failure: a rapid review
2015     Health Quality Ontario (HQO) Medication reconciliation at discharge: a rapid review
2015     Health Quality Ontario (HQO) Colon capsule endoscopy for the detection of colorectal polyps: an evidence-based analysis
2015     Health Quality Ontario (HQO) Physical activity counselling: a rapid review
2015     Institute of Health Economics (IHE) Post policy implementation review (PPIR) of rapid fetal fibronectin testing for preterm labour in Alberta
2015     Health Quality Ontario (HQO) Ultrafiltration in heart failure: a rapid review
2015     Institut national d'excellence en sante et en services sociaux (INESSS) Effectiveness of child maltreatment risk assessment tools
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Intraoperative ultrasound-guided breast-conserving surgery]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Complex wound treatment: negative pressure therapy]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Notice on equal access to physiotherapy services. Part I - Review of the evidence on the effectiveness and cost of psychotherapy compared to treatment of adults with anxiety and depressive disorders]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Notice on equal access to physiotherapy services. Part II - Analysis of the terms and conditions of access to psychotherapy for the treatment of adults with depressive disorders and anxiety]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Notice of the impact of the decrease of the maximum payable amount for the class of proton pump inhibitors]
2015     Institut national d'excellence en sante et en services sociaux (INESSS) [Levels of medical intervention -- levels of care]